but time is running out for governor romney to change voters' minds. early voting is under way in about two dozen states. it starts today in iowa and next week in ohio. that has both campaigns stepping up their advertising in key swing states. >> we should measure compassion by how many people are able to get off welfare. >> reporter: romney has released a new 60-second ad talking about the struggles of average americans. but president obama has outspent mitt romney on tv ads and the attacks have resonated with voters like republican libby hill. >> he really doesn't know the common man. >> reporter: the latest poll shows president obama with a ten-point lead over romney in ohio. and cbs has decided to move the state from undecided to leans obama which would leave the president just 15 electoral votes shy of the 270 needed to win. >>> major tourist attractions are closed, flights are grounded, cruise ships are docked all in athens, greece. thousands of greek workers took part in a general strike wednesday. they're all rallying against government spendin